September 2015

Journal

Design and Performance of a Large Area Neutron Sensitive Anger Camera

By:
Visscher, Theodore ; Montcalm, Christopher A; Donahue Jr, Cornelius ; Riedel, Richard A
Journal Name:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Page Number:
224-233
Volume:
794
Issue Number:
N/A
Publication Date:
September 8, 2015
View DOI Listing:
https://doi.org/10.1016/j.nima.2015.05.026

Abstract

We describe the design and performance of a 157mm x 157mm two dimensional neutron detector. The detector uses the Anger principle to determine the position of neutrons. We have verified FWHM resolution of < 1.2mm with distortion < 0.5mm on over 50 installed Anger Cameras. The performance of the detector is limited by the light yield of the scintillator, and it is estimated that the resolution of the current detector could be doubled with a brighter scintillator. Data collected from small (<1mm3) single crystal reference samples at the single crystal instrument TOPAZ provide results with low Rw(F) values

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